java swing jtable显示数据库记录

news2025/11/4 8:21:14

代码，

import java.awt.Container;
import java.awt.Color;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
 
public class lnxcmd {
	public static void main(String[] args) throws ClassNotFoundException, SQLException {

		JFrame frame=new JFrame("Linux命令查询");
		frame.setSize(800,600);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Container contentPane=frame.getContentPane();

		Class.forName("org.sqlite.JDBC");
		String db = "F:\\JavaWorkSpace\\swing\\lnxcmd.db";
		Connection conn = DriverManager.getConnection("jdbc:sqlite:" + db);
		Statement state = conn.createStatement();
		ResultSet rs = state.executeQuery("select * from lnxcmd;");
		
		DefaultTableModel model = new DefaultTableModel();
		model.addColumn("命令");
		model.addColumn("功能");
		model.addColumn("参数");
		model.addColumn("示例");

		Object[] rowData = null;
		while (rs.next()) {
			rowData = new Object[4];
			rowData[0] = rs.getString("lnxcmd");
			rowData[1] = rs.getString("funcs");
			rowData[2] = rs.getString("params");
			rowData[3] = rs.getString("exams");
            model.addRow(rowData);
		}

		JTable table=new JTable(model);
		JScrollPane scroll = new JScrollPane(table);
		//scroll.getViewport().setBackground(Color.GREEN);
		contentPane.add(scroll);

		JButton b1=new JButton("查询");
		JButton b2=new JButton("修改");
		JButton b3=new JButton("删除");
		JButton b4=new JButton("清空");
		JButton b5=new JButton("添加");

		//contentPane.add(b1);
		//contentPane.add(b2);
		//contentPane.add(b3);
		//contentPane.add(b4);
		//contentPane.add(b5);

		frame.setVisible(true);
	    rs.close();
		conn.close();			
	}		
}